Question: Who was commissioned by the Mausoleum of Maussollos?
Paraphrase: Who was commissioned by the Sepulcher of Maussollos?
SPARQL (Wikidata):  select distinct ?obj where { wd:Q45368 wdt:P88 ?obj . ?obj wdt:P31 wd:Q5 } 
Answer: Artemisia II of Caria, Mausolus